<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<script>
  document.write("hello js4 <br>");
  document.write("hello js1");

  console.log("hello js2");

  alert("下雨 收衣服")
</script>
</body>
</html>